CVE-2024-50852Public exploitNetwork attack vector

Authenticated OS command execution via newline injection

Published Nov 13, 2024 · Updated Nov 21, 2024

OS command injection in Tenda G3 3.0 firmware 15.11.0.20 allows remote authenticated users to execute arbitrary OS commands. The formSetUSBPartitionUmount handler passes the POST-supplied usbPartitionName to doSystemCmd, while prod_system_param_valid fails to reject newline command separators. Access requires a valid web-management login, and successful injection can modify files or interrupt router operation.

CVSS severity8.8
High
EPSS probability1.70%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Tenda G3 3.0 firmware 15.11.0.20 allows remote authenticated users to execute arbitrary OS commands. The formSetUSBPartitionUmount handler passes the POST-supplied usbPartitionName to doSystemCmd, while prod_system_param_valid fails to reject newline command separators. Access requires a valid web-management login, and successful injection can modify files or interrupt router operation.

The record

CVE
CVE-2024-50852
Published
Nov 13, 2024
Updated
Nov 21, 2024
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
G3 QoS VPN Router
Classifications
CWE-77, CWE-78, T1059.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 21, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=v3.0_v15.11.0.20

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Shenzhen Tenda Technology Co., Ltd. · G3 QoS VPN Routerversion=v3.0_v15.11.0.20

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.004Unix Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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